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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1968 | 4 |
| 1969 | 22 |
| 1970 | 217 |
| 1971 | 376 |
| 1972 | 583 |
| 1973 | 708 |
| 1974 | 885 |
| 1975 | 713 |
| 1976 | 687 |
| 1977 | 860 |
| 1978 | 830 |
| 1979 | 1003 |
| 1980 | 1135 |
| 1981 | 1168 |
| 1982 | 1300 |
| 1983 | 1433 |
| 1984 | 1583 |
| 1985 | 1521 |
| 1986 | 1587 |
| 1987 | 1549 |
| 1988 | 1633 |
| 1989 | 1664 |
| 1990 | 1526 |
| 1991 | 1557 |
| 1992 | 1523 |
| 1993 | 1555 |
| 1994 | 1496 |
| 1995 | 1516 |
| 1996 | 1478 |
| 1997 | 1463 |
| 1998 | 1549 |
| 1999 | 1567 |
| 2000 | 1718 |
| 2001 | 1853 |
| 2002 | 2064 |
| 2003 | 2204 |
| 2004 | 2419 |
| 2005 | 2818 |
| 2006 | 3288 |
| 2007 | 3921 |
| 2008 | 4497 |
| 2009 | 4513 |
| 2010 | 5152 |
| 2011 | 5333 |
| 2012 | 5034 |
| 2013 | 5194 |
| 2014 | 5184 |
| 2015 | 4416 |
| 2016 | 3813 |
| 2017 | 3148 |
| 2018 | 2954 |
| 2019 | 2405 |
| 2020 | 2275 |
| 2021 | 1666 |
| 2022 | 778 |
| 2023 | 661 |
| 2024 | 247 |